Updated opamp example

2019-01-08 20:15:28 +01:00 · 2019-01-08 20:15:28 +01:00 · 05faf884a4
parent 91e635b08a
commit 05faf884a4
1 changed files with 8 additions and 1 deletions
--- a/testhal/STM32/STM32F3xx/OPAMP/main.c
+++ b/testhal/STM32/STM32F3xx/OPAMP/main.c
@ -78,8 +78,15 @@ static const GPTConfig gpt6cfg1 = {
  .dier         = 0U
 };

+/*
+ * OpAmp configuration.
+ * We will double the input voltage
+ */
 static const OPAMPConfig opamp1_conf = {
-  0
+  STM32_OPAMP_NonInvertingInput_IO4 | // INP connectd to PA1
+  STM32_OPAMP_InvertingInput_PGA | // INM connected to PGA
+  STM32_OPAMP_PGAGain_2 | // Gain of 2x
+  STM32_OPAMP_PGAConnect_No // PGA connected to ground
 };

 /*